[ in-tur-kuh-leyt ]
See synonyms for intercalate on
verb (used with object),in·ter·ca·lat·ed, in·ter·ca·lat·ing.
  1. to insert (an extra day, month, etc.) in the calendar.

Origin of intercalate

First recorded in 1605–15; from Latin intercalātus, past participle of intercalāre “to insert a day or month into the calendar,” equivalent to inter- “between, among, together” + calā- (stem of calāre “to proclaim”) + -tus past participle suffix; see inter-

Other words for intercalate

Other words from intercalate

  • in·ter·ca·la·tive, adjective
  • un·in·ter·ca·lat·ed, adjective

Words Nearby intercalate Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use intercalate in a sentence

British Dictionary definitions for intercalate


/ (ɪnˈtɜːkəˌleɪt) /

  1. to insert (one or more days) into the calendar

  2. to interpolate or insert

Origin of intercalate

C17: from Latin intercalāre to insert, proclaim that a day has been inserted, from inter- + calāre to proclaim

Derived forms of intercalate

  • intercalation, noun
  • intercalative, adjective

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